﻿using System;
using System.Windows;

namespace Monitorian.Core.Views.Controls;

public static class FrameworkElementMargin
{
	public static double GetHorizontal(DependencyObject obj)
	{
		return (double)obj.GetValue(HorizontalProperty);
	}
	public static void SetHorizontal(DependencyObject obj, double value)
	{
		obj.SetValue(HorizontalProperty, value);
	}
	public static readonly DependencyProperty HorizontalProperty =
		DependencyProperty.RegisterAttached(
			"Horizontal",
			typeof(double),
			typeof(FrameworkElementMargin),
			new PropertyMetadata(
				0D,
				(d, e) => SetMargin(d as FrameworkElement, (double)e.NewValue, 0D)));

	public static double GetVertical(DependencyObject obj)
	{
		return (double)obj.GetValue(VerticalProperty);
	}
	public static void SetVertical(DependencyObject obj, double value)
	{
		obj.SetValue(VerticalProperty, value);
	}
	public static readonly DependencyProperty VerticalProperty =
		DependencyProperty.RegisterAttached(
			"Vertical",
			typeof(double),
			typeof(FrameworkElementMargin),
			new PropertyMetadata(
				0D,
				(d, e) => SetMargin(d as FrameworkElement, 0D, (double)e.NewValue)));

	private static void SetMargin(FrameworkElement element, double horizontalMargin, double verticalMargin)
	{
		if (horizontalMargin < 0D)
			throw new ArgumentOutOfRangeException(nameof(horizontalMargin), horizontalMargin, "The margin must not be negative.");
		if (verticalMargin < 0D)
			throw new ArgumentOutOfRangeException(nameof(verticalMargin), verticalMargin, "The margin must not be negative.");

		var margin = element.Margin;
		if (0D < horizontalMargin)
			margin.Left = margin.Right = horizontalMargin;
		if (0D < verticalMargin)
			margin.Top = margin.Bottom = verticalMargin;

		element.Margin = margin;
	}
}